condition mean min max 0 h after light 1.721605 1.65816 1.78505 2 h after light 0.83055 0.0 1.6611 4 h after light 2.4975 1.62538 3.36962 8 h after light 1.70594 0.0 3.41188 12 h after light 1.77907 1.66538 1.89276 2 h after dark 1.7071 0.0 3.4142 4 h after dark 1.593705 0.0 3.18741 8 h after dark 1.865045 0.0 3.73009 12 h after dark 0.85113 0.0 1.70226